Luis Guerrero

Luis Guerrero

24-Year-Old PitcherRP
Boston Red Sox
2025 Fantasy Outlook
There was no outlook written for Luis Guerrero in 2025. Check out the latest news below for more on his current fantasy value.
$Signed a one-year contract with the Red Sox in September of 2024.
Set for big-league debut
PBoston Red Sox
September 6, 2024
Guerrero's contract was selected from Triple-A Worcester on Friday, Sean McAdam of MassLive.com reports.
ANALYSIS
Guerrero is a 24-year-old righty reliever who will be making his big-league debut when he gets into a game. A 17th-round selection in 2021, Guerrero logged a 3.31 ERA, 1.31 WHIP and 79:32 K:BB in 54.1 innings across 42 appearances at Triple-A. He has a plus fastball and solid secondaries, but his poor control may limit him to low-leverage work initially.
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Pitching Stats
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2024
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Pitching Appearances Breakdown
Average Pitch Count
15
Last 10 Games
15
Last 5 Games
13
How many pitches does Luis Guerrero generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Luis Guerrero generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2022
 
 
-40%
BAA vs RHP
2024
 
 
-40%
BAA vs RHP
2023
No Stats
2022
No Stats
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .222 18 3 0 4 0 0 0
Since 2022vs Right .133 18 6 2 2 1 0 0
2024vs Left .222 18 3 0 4 0 0 0
2024vs Right .133 18 6 2 2 1 0 0
2023vs Left 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0
2022vs Left 0 0 0 0 0 0 0 0
2022vs Right 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
No Stats
2024
No Stats
2023
No Stats
2022
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 0.00 0.75 5.1 0 0 0 5.1 0.0 0.0
Since 2022Away 0.00 0.86 4.2 0 0 0 11.6 3.9 0.0
2024Home 0.00 0.75 5.1 0 0 0 5.1 0.0 0.0
2024Away 0.00 0.86 4.2 0 0 0 11.6 3.9 0.0
2023Home 0 0 0 0 0 0 0 0 0
2023Away 0 0 0 0 0 0 0 0 0
2022Home 0 0 0 0 0 0 0 0 0
2022Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Luis Guerrero compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
4.50
 
K/9
8.1
 
BB/9
1.8
 
HR/9
0.0
 
Fastball
97.5 mph
 
ERA
0.00
 
WHIP
0.80
 
BABIP
.238
 
GB/FB
1.10
 
Left On Base
87.5%
 
Exit Velocity
80.9 mph
 
Barrels/BBE
4.7%
 
Spin Rate
2197 rpm
 
Balls Hit 95+ MPH
20.9%
 
Swinging Strike
12.8%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Latest Fantasy Rumors
Could debut in 2024
PBoston Red Sox
April 15, 2024
Jim Callis of MLB.com speculates that Guerrero could contribute in Boston's bullpen at some point in 2024.
ANALYSIS
Guerrero recently entered the Red Sox's Top 30 prospects, per MLB Pipeline, which was well earned after he posted a 1.81 ERA in 43 outings at Double-A Portland last season. The 23-year-old righty move up to Triple-A Worcester late last year and is back there to begin 2024, and he's off to a solid start with two runs allowed and a 5:2 K:BB over 4.2 innings.
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